Question:The roaring of the thunder is due to
1. Multiple reflections of sound
2. Refraction of Sound
a) Only 1
b) Only 2
c) Both 1 and 2
d) Neither 1 Nor 2
Echoes can be heard more than once due to successive or multiple reflections from different reflecting surfaces .For eg , roaring of thunder is due to successive reflection of sound from reflecting surfaces like the clouds and the land.